A roofer is working to cover a 2,720 SF roof. He has to first install rafters, sheathing, felt, and finally shingles. He assumes the previous tasks make up 35%, 20%, 15%, and 30% of the total roofing activity. At a certain point, he got the following information on the subtasks: Subtask Unit Rafters EA Sheathing SF SQ SQ Felt Rafters Sheathing Felt Shingles 1 SQ = 100 SF Using the percent that each sub-task makes up of the total roofing task and the percent complete of each task based on quantity installed, calculate the estimated percent complete for the roofing activity. You need to enter the percent complete of each sub-task and the percent complete for the total ruffing activity. Shingles Total ruffing activity Choose... ♦ Choose... Choose... Choose... Total quantity 150 Choose... 2720 27.2 Installed quantity 27.2 102 1200 10 5

A roofer is working to cover a 2,720 SF roof. He has to first install rafters, sheathing, felt, and finally shingles. He assumes the previous tasks make up 35%, 20%, 15%, and 30% of the total roofing activity. At a certain point, he got the following information on the subtasks: Subtask Unit Rafters EA Sheathing SF SQ SQ Felt Rafters Sheathing Felt Shingles 1 SQ = 100 SF Using the percent that each sub-task makes up of the total roofing task and the percent complete of each task based on quantity installed, calculate the estimated percent complete for the roofing activity. You need to enter the percent complete of each sub-task and the percent complete for the total ruffing activity. Shingles Total ruffing activity Choose... ♦ Choose... Choose... Choose... Total quantity 150 Choose... 2720 27.2 Installed quantity 27.2 102 1200 10 5

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Question

A roofer is working to cover a 2,720 SF roof. He has to first install rafters, sheathing, felt, and finally
shingles. He assumes the previous tasks make up 35%, 20%, 15%, and 30% of the total roofing
activity. At a certain point, he got the following information on the subtasks:
Subtask
Unit
Rafters
EA
Sheathing
SF
SQ
SQ
Felt
Rafters
Sheathing
Shingles
1 SQ = 100 SF
Using the percent that each sub-task makes up of the total roofing task and the percent complete of
each task based on quantity installed, calculate the estimated percent complete for the roofing activity.
You need to enter the percent complete of each sub-task and the percent complete for the total ruffing
activity.
Felt
Choose...
Choose...
Choose...
Shingles
Total ruffing activity Choose... ♦
Total quantity
150
2720
27.2
27.2
Choose...
Installed quantity
102
1200
10

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